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解决sk->sk_send_head指针可能使用已释放skb的问题

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Signed-off-by: shiyunfei <shiyunfei3@huawei.com>
This commit is contained in:
shiyunfei
2024-01-09 17:35:48 +08:00
parent 754104e81e
commit 3d7e91bb32
3 changed files with 8 additions and 0 deletions
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newip/third_party/linux-5.10/include/net/tcp_nip.h
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+6
View File
@@ -163,6 +163,12 @@ static inline struct tcp_nip_request_sock *tcp_nip_rsk(const struct request_sock
return (struct tcp_nip_request_sock *)req;
}
static inline void tcp_nip_modify_send_head(struct sock *sk, const struct sk_buff *skb)
{
if (tcp_skb_is_last(sk, skb))
sk->sk_send_head = NULL;
}
/* connect */
int __tcp_nip_connect(struct sock *sk);
int _tcp_nip_conn_request(struct request_sock_ops *rsk_ops,
newip/third_party/linux-5.10/net/newip/tcp_nip.c
Vendored
+1
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@@ -1578,6 +1578,7 @@ out:
do_fault:
if (!skb->len) {
tcp_nip_modify_send_head(sk, skb);
tcp_unlink_write_queue(skb, sk);
sk_wmem_free_skb(sk, skb);
}
newip/third_party/linux-5.10/net/newip/tcp_nip_input.c
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+1
View File
@@ -817,6 +817,7 @@ static int tcp_nip_clean_rtx_queue(struct sock *sk, ktime_t *skb_snd_tstamp)
if (*skb_snd_tstamp == 0)
*skb_snd_tstamp = skb->tstamp;
tcp_nip_modify_send_head(sk, skb);
tcp_unlink_write_queue(skb, sk);
sk_wmem_free_skb(sk, skb);
}